78 CLIMATE AND VEGETATION OF 



gether, pale purple, on stout short flower-stalks ; sepals broadly 

 ovate, blunt, ciliated at the margin ; corolla bell-sluiped, with 

 spreading' recurved lobes; stamens 10; ovary scaly, 5-celled. — 

 Sikkim Rhod., PL XXIV. 



10. R. glaucum — a small slender slirub ; branchlets leaf and 

 flower-stalks and the leaves generally on both sides, calyx and 

 ovary dotted with small scales ; leaves obovate, lanceolate, 

 pointed, narrowed into a slender leaf-stalk, bright green above, 

 very glaucous below ; flowers 6 or 8 in a head, pale pink purj)le ; 

 sepals oblong, sharp ; corolla belLshaped, dotted with small 

 glands, and hairy inside at the base; stamens 10; ovary 5- 

 ceWed.—Sikkim Rhod., PI. XVII. 



11. K. pu7nilum — a very small, slender, sparingly-branched 

 Alpine shrub, with creeping stem and erect branches, which, as 

 well as the flower and leaf stalks, under side of the leaves, calyx 

 and ovary, are dotted with small brown scales ; leaves small, on 

 very short foot-stalks, broadly elliptical, blunt with a short 

 point, margin recurved, dark green above, glaucous below ; 

 flowers nodding, solitary, or 2 to 3 on long erect stalks ; sepals 

 blunt ; corolla bell-shaped, rosy, tube hairy, lobes short, rather 

 spreading; stamens 10; ovary 5-celled. — Sikkim Rhod., PI. 

 XIV. 



§ IV. Calyx small or none. Corolla bell or funnel shaped. 

 Stamens 10. Ovary 5 to 10 celled. — Shrubs or small trees, 

 generally smooth. 



12. 'R. arboreiim — a tree ; leaves very coriaceous, lanceolate, 

 acute, cordate at the base, or narrowed into a stout petiole, 

 bright green above, reticulated with sunk veins below, smooth 

 and silvery, or covered with a rusty down ; flowers in dense 

 heads ; calyx none ; corolla bell-shaped, white, pink, or blood- 

 red ; stamens about 10; ovary 7 to 10 celled. — SikMin Rhod., 

 R. Cumpbellia>, PI. VI. 



13. Ji. niveuyn — a small tree; branchlets and underside of 

 leaves leaf and flower-stalks thickly covered with white wool ; 

 leaves obovate, lanceolate, blunt or sharp, on short foot-stalks, 

 quite smooth above, opaque ; flower-stalks short ; capsules short, 

 downy, 6-celled. 



14. P. campamdatum—Tx. densely branched shrub ; branch- 

 lets leaf and flower-stalks and underside of leaves more or less 

 covered with a thick down ; leaves obovate, sharp or blunt, cor- 

 date at the base, on stout leaf-stalks, smooth and bright green 

 above, sometimes also almost smooth below ; flowers 8 to 10 in 

 loose heads, rose or lilac, sometimes spotted ; flower-stalks rather 

 long ; calyx with 5 short blunt teeth ; corolla bell-shaped, with 



